2 Copyright (C) 2005 Sampo Savolainen
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __ardour_mix_h__
20 #define __ardour_mix_h__
22 #include <ardour/types.h>
23 #include <ardour/utils.h>
25 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
29 float x86_sse_compute_peak (const ARDOUR::Sample * buf, nframes_t nsamples, float current);
30 void x86_sse_apply_gain_to_buffer (ARDOUR::Sample * buf, nframes_t nframes, float gain);
31 void x86_sse_mix_buffers_with_gain(ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes, float gain);
32 void x86_sse_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes);
35 void x86_sse_find_peaks (const ARDOUR::Sample * buf, nframes_t nsamples, float *min, float *max);
37 /* debug wrappers for SSE functions */
39 float debug_compute_peak (const ARDOUR::Sample * buf, nframes_t nsamples, float current);
40 void debug_apply_gain_to_buffer (ARDOUR::Sample * buf, nframes_t nframes, float gain);
41 void debug_mix_buffers_with_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes, float gain);
42 void debug_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes);
46 #if defined (__APPLE__)
48 float veclib_compute_peak (const ARDOUR::Sample * buf, nframes_t nsamples, float current);
49 void veclib_find_peaks (const ARDOUR::Sample * buf, nframes_t nsamples, float *min, float *max);
50 void veclib_apply_gain_to_buffer (ARDOUR::Sample * buf, nframes_t nframes, float gain);
51 void veclib_mix_buffers_with_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes, float gain);
52 void veclib_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes);
56 /* non-optimized functions */
58 float default_compute_peak (const ARDOUR::Sample * buf, nframes_t nsamples, float current);
59 void default_find_peaks (const ARDOUR::Sample * buf, nframes_t nsamples, float *min, float *max);
60 void default_apply_gain_to_buffer (ARDOUR::Sample * buf, nframes_t nframes, float gain);
61 void default_mix_buffers_with_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes, float gain);
62 void default_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, nframes_t nframes);
64 #endif /* __ardour_mix_h__ */